Home / 10,545.93-15,810.39-3,971.16

Finding the Fourth Proportional to 10,545.93, 15,810.39 and 3,971.16

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Solution

The fourth proportional to 10,545.93, 15,810.39 and 3,971.16 is: 5,953.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,545.93 : 15,810.39 = 3,971.16 : x
  2. Step 2: Convert to fraction form
    10,545.93/15,810.39 = 3,971.16/x
  3. Step 3: Cross multiply
    10,545.93x = 15,810.39 × 3,971.16
  4. Step 4: Simplify right side
    10,545.93x = 62,785,588.35
  5. Step 5: Solve for x
    x = 62,785,588.35/10,545.93
  6. Step 6: Final answer
    x = 5,953.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.